.clearfix::after{
    content: "";
    display: block;
    clear: both;
}

body{
    background: url(../img/bg.jpg) no-repeat 0 0/100%;
}

.header{
    width: 1198px;
    height: 74px; 
    line-height: 74px;
    color: #f8b700;
    margin: 0 auto;
    margin-top: 45px;
    background: url(../img/bg-nav.jpg) no-repeat 0 0/100% 100%;
    border-top: 1px #3f2a22 solid;
    border-bottom: 1px #3f2a22 solid;
    position: relative;
}

.header nav a{
    float: left;
    width: 161px;
    height: 74px;
    box-sizing: border-box;
    text-align: center;
    border: 1px #3f2a22 solid;
    border-top: none;
    border-bottom: none;
}

.header nav a:nth-child(3){
    margin-right: 232px;
}

.header .logo{
    width: 265px;
    height: 110px;
    background: url(../img/logo.png) no-repeat 0 4px/contain;
    position: absolute;
    left: 0;
    right: 0;
    top: -25px;
    margin: auto;
}

.header .logo h1{
    display: none;
}

.buttons{
    text-align: center;
    margin-top: 300px;
}

.buttons a{
    color: #fff;
    font-size: 18px;
    text-align: center;
    display: inline-block;
    margin: 0 0px;
    width: 130px;
    height: 80px;
    line-height: 80px;
    background: url(../img/button.png) no-repeat 0 7px/contain;
}

.ad{
    width: 1095px;
    left: 0;
    right: 0;
    margin: auto;
    margin-top: 40px;

}

.ad .item{
    float: left;
    width: 260px;
    height: 180px;
    margin-right: 13px;
}

.ad .item:last-child{
    margin-right: 0;
}

.ad .item .title{
    height: 50px;
    line-height: 50px;
    text-align: center;
    background: #211510;
    color: #f8b700
}

.ad .item img{
    width: 260px;
    height: 148px;
}

.ad .item .img img{
    height: 148px;
}




